Home / 1,931,446.70-2,897,515.65-809,629.10

Finding the Fourth Proportional to 1,931,446.70, 2,897,515.65 and 809,629.10

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Solution

The fourth proportional to 1,931,446.70, 2,897,515.65 and 809,629.10 is: 1,214,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,446.70 : 2,897,515.65 = 809,629.10 : x
  2. Step 2: Convert to fraction form
    1,931,446.70/2,897,515.65 = 809,629.10/x
  3. Step 3: Cross multiply
    1,931,446.70x = 2,897,515.65 × 809,629.10
  4. Step 4: Simplify right side
    1,931,446.70x = 2,345,912,987,945.42
  5. Step 5: Solve for x
    x = 2,345,912,987,945.42/1,931,446.70
  6. Step 6: Final answer
    x = 1,214,588.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.